Which of the following statements is are false about mode of heat transfer I In radiation heat is tr...........

Which of the following statements is/ are false about mode of heat transfer?

I. In radiation, heat is transfered from one medium to another without affecting the intervening medium

II. Radiation and convection are possible in vaccum while conduction requires material medium.

III. Conduction is possible in solids while convection occurs in liquids and gases.